Add warmth to your sleep system in cool or cold conditions: with our Reactor Liner. Using Thermolite® Pro fabric with infra-red-absorbing ceramic pigments and Thermolite® EcoMade fibres, the new Reactor takes thermal performance to the next level.
The stretch-knit fabric provides optimal comfort and ensures the Reactor fits any sleeping bag. Choose between the classic Mummy and the Mummy with Drawcord - the foot box opening offers plenty of ventilation and the versatility of walking around camp while still wearing your liner if needed.
- Thermal boost to retain heat and warmth. As the core of your sleep system, the Reactor liner extends the performance of your sleeping bag in colder conditions
- Thermolite® Pro technology uses knitted, hollow-core fibers and infrared-absorbing ceramic pigments to reflect your body's heat back for enhanced warmth and comfort
- The classic Mummy version has practical openings in the shoulders to allow the user to stretch his or her arms out
- In the version with the drawcord foot box, the base or shoulder openings can be opened or closed for optimal comfort. They integrate perfectly with the Free-Flow Zip system in select Sea to Summit sleeping bags. Open the base drawcord, and you can hitch the liner up and walk around camp - perfect for bathroom breaks
- HeiQ Fresh odour control technology helps keep the liner fresh even after extended use
- Knitted fabric provides incredible stretch and freedom of movement - Reactor liners work perfectly with sleeping bags of any shape
- Sea to Summit Guarantee is offered for the Lifetime of this product
Style: STS A3202
Colour: Yellow
Total Weight: 10oz | 284g
Length: 85in | 216cm
Packed Dimensions: 5.9 x 2.8 x 4.3in | 15 x 7 x 11cm
Fits up to Height: 78 in
Material(s): Thermolite® Pro & EcoMade Polyester, Bio-based HeiQ Fresh Odor Control
- Weight: 10oz | 284g
- Fit :
- Technology:
- Colours:
- Volume
- Waist
- Inseam
- Fleece
- Sole Technology
- Dimensions
- Laptop Size
- R-Value
- UPF Rating
- Sleeping Capacity
- Length 85in | 216cm
- Number of Doors
- Size:
Customers have 21 days from the date of purchase to make returns or exchanges. You, as a Customer, are obliged to inform us via email or phone before you return the item, only in the case of:
- Items must have a RECEIPT and original packing slip, be in original packaging or boxes, must NOT have been worn or used, and all hang tags must still be on the items. Freight costs are not refundable.
- Customers can return all regular-priced items for a full refund.
- Customers can return sale items, discounted up to and including 30% off, for EXCHANGE or STORE CREDIT ONLY.
- Customers who purchase clearance items at 35% off or greater are a FINAL SALE, with no exchanges or returns.
Customers are responsible for the return shipping costs when returning by mail. We recommend that Returns be returned with tracking and insurance, as Prairie Summit Shop is not responsible for lost packages. The return must be accompanied by the original sales receipt (sent via email confirmation), and the online order packing slip and returned to our web store within 21 days from the date of purchase. For all of our Return and Exchange Policy information, visit: Return Policy Page
We strive to get all online orders processed within 1-3 working days, excluding holidays.
- Freight timeline estimates from Canada Post (or other delivery companies) Do Not include weekends or our processing days. Ex. 3 day shipping does not include our processing time in store.
- Orders for in-store pickup will be prioritized and shipped to the selected pick-up location, and you will be notified once ready for pickup.
- Orders with multiple items will be consolidated and shipped from one location. This may take a few extra days of processing.
- We are not responsible for shipping carrier delays or lost deliveries.
We currently offer Free Regular Shipping within Canada on orders over $199.
*Due to the size, shape, and weight of select items, certain items are excluded from this offer. All items are available for Free pick up in-store from both our Regina and Winnipeg locations, as well as these items are also available with normal shipping rates that are applied in the cart. Some items will need special shipping, and you can contact us for more info.
For all of our Shipping Policy information, visit: Shipping Policy Page










